Brick-elevator



(No Model.)

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(No Model.)

J. C. BOBZIEN.

BRICK ELEVATOR.

No. 265,012. 'Patented Sept. 26, 1882.

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(No Model.)

J. C. BOBZIEN. BRICK BLEVATOR.

No'. 265,012. Patented Sept-26, 1882.

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hUNiTED STATES PATENi @einem JOHN o. BOBZIEN, or cnIOAcO, ILLINOIS.

BRICK-ELEVATO R.

SPECIFICATION forming part of Letters Patent No. 265,012, dated September 26,1882.`

Application filed March 18, 1882...(N0 model.)

Y iication.

My invention relates to improvements in elevators, and particularly relates to that class of elevators used for the purposeot1 elevating building material, brick, mortar, Snc., in buildings in process of erection.

The object of my invention is to so improve upon the construction and arrangement of ele- `vators of this class as will render them capable of being easily transported from place to place and readily and quickly adapted to elevate the material to different heights as the building progresses; and my invention consists, first, in a peculiar arrangement of the hoisting-ropeswith relation to the platforms by which the guideways or'rods heretofore employed are dispensed with second, in a peculiar construction of the platforms, and, third, in the combination of parts hereinafter fully specied. I attain these objects by the arrangement and combination of theseveral parts as illustrated in the accompanying drawings, in which- Figure l is a partial sectional elevation of my improved elevator in use. Fig. 2 is a perspective View of the platform detached `5 Fig.

V3, a plan viewfshowing the arrangement of the ropes. Figset to 7, inclusive, are detail views, referred to hereinafter. Y

Similar letters of reference refer to similar parts throughout the several views.

In the drawings, Fig. 1,A andA' represent respectively the lower and one ot' the upper stories of a building in which my improved -elevator is placed.

and E are respectively wound in opposite directions. The hoisting-ropes E and E', each of which consists of acontinuous piece, are attached at their centers to the periphery ofthe drum B in the recesses b b' bypassing through the rim of said wheel and securing them at the other side, as shown in Fig. 6, or in any other suitable manner. The ends are then carried up over pulleys P P', through Athe frames 'ot' the platforms I) D', which are supplied with suitable pulleys,p 19', and from thence up and over the pulleys or wheels a a', supported in a suitable frame, C, at the upper story, A', ot' the building,'and then down,'and connected to the platforms D D', the surplus rope being wound around a roller, r, journaled at each end in the frame of the elevator.

The platforms are connected together by a rope, R, attached to the bottom of each, and passing over pulleys l?2 at the bottom.` By this arrangement the guideways or rods heretofore used are dispensed with, the hoisting-ropes serving the double purpose of raising and guiding the platforms, and in adapting the ele-V vator to elevate to ditierent heights as the building in which it is employed progresses it is only necessary to move the frame-Work C.

of angle-iron, each ot' which is iliade continu.

ous by securingthe ends thereof together, the two being connected together at suitable intervals, leaving an open spacebetween, by

means of cross-pieces c. 'Ihe floor F' of the platforms is made separate from the frame F and rests in the center on the bottom part of the frame F, and is supported at each end by U-form braces H, which are made contin nous, and hinged at each end to the frame F, the lower or connecting part resting against a batten, c, on the bottom of the floor F. A screw or bolt may be put in each to hold the parts together; but this is not absolutelynecessary. Upon removing the door F' from the frame F the U-formed braces will swing up to and parallel with the frame F,and thus occupy a small amount of space in moving. The ropes E pass lthrough the space between the angle-irons I I,

ICO

The rollers non which the surplus rope E E' is wound, are supplied at one end with ara'tchet, r', as shown in Fig. 5, by means of which the ropes may be held in any position and secured to any degree of tension.

The drum B may be made of any suitable material, and should be very light, so as to be easily moved, and, it' desired, can be made of sections. It is to be revolved by a horse hitched to lever L in such amanner that it may turn arounda-nd pull in either direction 5 or it may be revolved in any other suitable manner.

The operation is as follows: The elevator being inits proper position and the ropes EE brought to the proper length by rollers 1 i", with one platform up and the other down, as shown in Fig. 1, the drum is revolved in one direction, winding up one set of ropes, as E', and paying ont the other, E, carrying one elevator up and bringing theotherdown, the platforms being guided in either direction by means of said ropes passing through the frames F,.provided with the pulleys pp'. As the platforms approach the extremity of their upward stroke the guide-projection gz entersinto guideways g on the frame C and holds the platform steady while being loaded or unloaded. The platforms are to be held in their relative positions at the top and bottom while beingloaded and unloaded by means of an automatic catch, which is to bedisconnected when everything is ready for hoisting. This catch is not shown in the drawings, as such -catches are common to elevators of this class. If desired, the surplus rope, instead ot' being wound on the rollers r r, may he placed in a suitable manner on the drum B, and the rollers r be used 'merely to tighten it up and secure the proper tension when the platforms are in place.

The advantages of this elevator will be evident. Being composed ot' but few parts, systematically arranged, it may be readily putin place, quickly and easily adj usted to different heights as the building progresses, and compactly arranged for moving from place to place.

Having described myinvention, whatIclaim as new, and desire tosecureby Letters Patent,

l. The hoistingropes E and E', in combination with platforms D D', having pulleys P P', substantially as described and shown, and for the purpose set forth.

2. A platform-frame'composed of two pieces of an gle-iron connected together by cross-pieces, substantially as described and shown, and for the purpose Vset forth.

3. The hinged braces H, for the purpose set forth, substantially as shown and described.

4. The combination of platform having roller r and pulleys P, hoisting-ropes E, and drum B, substantially as shown and described.

5. In an elevatorplatform, the combination ot' the frame F, oor F', and hinged brace H, substantially as shown and described.

6. The combiiiation'of the frame F, composed of two pieces ot' angle-iron, I I, connected by cross-piece c, with tloor F' and hinged brace H, substantially as described and shown. Y

7. The combination of the platforms D' and D, hoisting-ropes E E', connection g, ropes R, wheels a, pulleys P, P', and P2 for drum B, and roller r, substantially as described and shown, and for the purpose set forth.

8. The combination, in an elevator, of the JOHN (l. BOBZIEN.

Witnesses:

P. A. STALEY, FRANK J oHNsoN. 

